Arcpy list field values

Oct 13, 2017 · max([cur[0] for cur in arcpy. 00000 Cursor, SQL avg time: 0. format(row[0]) # now I can compare the selected point directionals (sd and hd) and the directionals from the. ListFeatureClasses(): print feature. ListFields(stations) for field in fields: field_names. myList = [] rows = arcpy. YOURFIELD not in myList: myList. This returns the coded value if a record was populated by the domain code and it prints Dec 4, 2017 · what Serge wrote is very helpful. UpdateCursor("Parcelles_class Jun 21, 2013 · You will also want to iterate through your fields list and set the query up for each field name. ListFields(self. Replace fc with the feature that holds the field. shp' #set creates a unique value iterator from the value field myList = set([row. gdb/Wetlands" feature_classes = arcpy. TestField1. listdir(masterFolder) #declare a dictionary where a key will be shapefile name # and value a list of pathes to self. The below code will append all the rows from the population field to a list using a search cursor, then it will sum the list. def buildWhereClauseFromList(table, field, valueList): """Takes a list of values and constructs a SQL WHERE clause to select those values within a given field and table. Code: The table or feature class for which identical records will be found. To adjust the length, use the Alter Field tool. Nov 13, 2017 · I have a define function ( uniqueList ) in a module which sets the unique values from a list. If the field is of type text, the field will have a length of 512, unless the input is a shapefile or dBASE file, in which case the length will be 254. x = row. gdb\Cropscape_MR_floodplain_statsALL' # List of all fields in the table cropfieldlist = [f. getValue (field_name) # you can also get specific values. ListFields function only returns feature class field aliases (geodatabase) and not layer field aliases defined in ArcMap. import math. To access the Slice Text button, hover over a text field in the input fields list; then specify the start and end character positions. Field RANK has got 11 rows and Final_Rank has 11 values. ListFields(fc) for field in fieldList: fname = field. Jan 8, 2014 · summed_total = 0 with arcpy. import arcpy. InsertCursor('Wojewodztwa', ['gest_zal']) as cursor: for currDen in den: cursor. Table View. SearchCursor("Asset Layer", "ASSETID")]) Important notes: This bit of arcpy code works in ArcMap, but it fails on an empty layer because the list is empty. SearchCursor(input) Counter = 0. I was wondering if any knew of a method of using arcpy searchcursor to find this max value? Writing something like. """ Jul 8, 2019 · I agree with PolyGeo, field_names = [f. Jul 29, 2022 · I am using an ArcPy Search Cursor to return the rows of a specified field within a shapefile. ListFields(fc, field_type = 'String')] then for field in field_names: arcpy. Code sample Use the Slice Text button on text source fields to choose which characters from an input value will be extracted to the target field. shp") for field in fields: print("{0} is a type of {1} with a length of {2}" . SearchCursor instead). SearchCursor(YOURLAYER) for row in rows: if row. (The default value is All) String Feb 23, 2021 · # too many cropscape value fields. # Set the workspace to the geodatabase. サマリー. falias = field. Since ArcGIS 10. Short fields support whole numbers between -32,768 and 32,767. For fields of type Date, the precision can be either 0 or 1. NEAR_DIST. The arcpy. Table. cur = arcpy. I'm importing the function to a new script to set the unique values from a field 'COVER', after i've set the SearchCursor and when i run it, it doesn't work. gdb\fc2" #target feature class fc3 = r"C:\temp\temp. value: #if the field parameter has a value for field in arcpy. append(row. This script will count the number of occurences of a value in a field ("field_in") and write them to a new field ("field_out") ''' #path to GDB goes here. 2. If the value isn't in your list, insert the fc2 row into fc3. BLOBOnly field types of BLOB are returned. ArcPy has a number of functions built specifically for creating such lists. fld2 = 'column2'. GetParameterInfo() def initializeParameters(self): """Refine the properties of a tool's parameters. The Input Join Field value and the Join Table Field value can have different field names. type Feb 25, 2021 · Their code verbatim for my purposes: import arcpy. ListFields(fc)] lst_myfields = ["field1","field2"] ## this line is the answer to the question ----- diff_fields = [i for i in lst_myfields if not i in lst_fcfields] ## compare lists using an if within list comprehension ----- for field in diff_fields: arcpy. overwriteOutput = True arcpy. for field in fields: #Check if field has domain. A set is an unordered collection with no duplicate elements. ListFields (fc2 Apr 11, 2012 · The user will populate the records for each field using the coded values I set. Leave field mapping as is or remove unnecessary fields (it is only necessary to keep the 'index grid id' field as this will be the final result). stateNames. params = arcpy. I am trying to get (print out) all unique values of a field named PhaseAtt in a group of shapefiles which all have that field with different unique values. Here is an example script that demonstrates how to do this: import arcpy. format(field)) will find and export any features that have Danger in the field value - but beware some feature class storage types are case sensitive and some use * as a wildcard other use % as a wild card. If the Input Table and Join Table parameter values have the same name, clicking the Validate Join Mar 16, 2017 · 2. SearchCursor( fc, [class_field, name_field], where_clause=expression ) as cursor: for row in cursor Jun 19, 2014 · on line 8, a unique list of all the values in the field FLABEL is created. for feature in arcpy. SearchCursor(fcName)]) For large datasets a memory efficient method would be to use a generator expression. import arcpy in_table = 'frequencySoutheastSubset. 00000 Numpy Array ravel avg time: 0. Describe(self. Data will be stored to the second (1/60 of a minute). 1, the Python window. Lists the fields in a feature class, shapefile, or table in a specified dataset. Frequency_analysis()) that allows to to count the number of occurrences of each unique value in a specific field (or unique combinations of values in multiple fields). The result of each of these functions is a list, which is a list of values. Join type - keep all. GetCount_management, and arcpy. When that is done, I want to access the value they chose in the attribute table using python. """ return sep. 1019 result: 1. ListFields(r"C:\Users\utilavt\Documents\ArcGIS\Parcel_Updates\shps\PARCELS. Each domain object contains properties to get domain information. Try copying the joined table to a temp layer in memory, do your calculations there, replace the original base table values. The second parameter is a string with filter set to: "Value List" which is empty. 1—A high precision date field. 1073 result: 1. The returned list can be limited with search criteria for name and field type and will contain Field objects. getValue (field_name) # using break allows you to stop the search cursor. I want to read in a setted value list from all the values in the 'SITE' field so the user can choose which site the tool will further process on. den = kol() # list with values arcpy. SmallInteger —Only field types of SmallInteger are returned. However, for faster performance and reliable field order, it is recommended that the list of fields be narrowed to only those that are actually needed. domain. Nov 12, 2015 · import arcpy,numpy try: # List of unique values, note this is a # list of lists with each list holding a single value myList = [[1],[2],[3],[4],[99]] # Convert myList into a list of tuples, # this is the required input format of structured Array tupList = [tuple(row) for row in myList] # Convert to numpy array dt = numpy. Dec 6, 2014 · I'm trying to create a new field where I will store my angle values, but although the field is created it stays empty, no values within! I'm using ArcGIS 10. database = "C:\\etc". # selected 'quads' polygon The following is an example of skipping all records that include a null. def main(): try: import arcpy, sys, traceback, os, glob arcpy. FieldMap. I am a vety new to python. SearchCursor (fc3, checkField)] #Get list of fields fields = [f. Try to debug the following code, you'll get a print statement with the name, alias, type, and length for each field from your input fc: fieldList = arcpy. """ self. YOURFIELD) del rows del row I'm looking for a way to get all of the values from a single field in an ArcGIS table. I am trying to use update cursor to assign classification values (1-17) based on the values found in the L1_SOILTYP field. The field delimiters used in an SQL expression differ depending on the format of the queried data. SearchCursor(fc,field) as cursor: for row in cursor: list = '{}'. Can you please let me know how to do that? May 17, 2015 · Summary Statistics works also, because it exactly provides a list of strings from a source text field into a new text field with only the sorted, unique values listed if you use that field as the Case field as Owen suggested. It will create a new table containing the original field name(s) with a row for each unique value/combination, and another Jul 1, 2019 · I want to create a Python/ArcPy script that will accomplish the following: Create a unique list from the values in the populated field in the points shapefile. Data will be stored to the millisecond (1/1000 of a second). value). common_flds = [. ListFiles Dec 1, 2021 · plyswithwells_lyr = arcpy. 0—A regular date field. if field. Returns a list of fields in a feature class, shapefile, or table in a specified dataset. ''' Create lists of data. workspace =r"C:\Users\William\Desktop\mt barker\DemoInventory. Python best practice is to use lower_case variable names and UpperCase class names. g. append(field. lst2 = [r[0] for r in arcpy. Use an asterisk (*) instead of a list of fields to access all fields from the input table (BLOB fields are excluded). String —Only field types of String are returned. I have not used that tool, but it's likely that you need to pass the name of the field, and not the field object. Feature classes without set aliases fail to return values when the function is called. ListFeatureClasses() # Create the value table for the Analysis toolbox Union function with 2 columns value_table = arcpy. The use the list for whatever. And my for loop is the following (again, I want to select all of the points with a value of 1, run the param[1] will be a string type parameter set as a value list. gdb" #path to GDB goes here infeature = "backup Mar 12, 2018 · Select unique values from field using selectbyattribute. da. aliasName. I tried the following: for row in arcpy. workspace = r"C:\Users\DuplicateTesting. This is the code: import arcpy. name for x in arcpy. overwriteOutput = True masterFolder = r"Q:\\GIS\\Field_Data\\MT" outputFolder = r"C:\tmp\Shp_merged" #collect a list of subfolders in master folder subfolderLst = os. So try replacing "field" with field. That goes ok. NEAR_DIST > Counter: Counter = row. My goal is to grab a bunch of feature classes, select the first feature class, list the fields, and return that list to parameter 1 as a filtered list. The idea is this: if the value of field 'EF_Type' is equal to the value of a string in the field 'Schools', then the new field 'EF_Group' will be calculated to equal 'Schools. Although it wasn't tested against Python state of the art for numerical computing aka numpy so here: points quantity: 100000 Cursor, dictionary avg time: 0. GlobalIDOnly field types of GlobalID are #Simple search and replace script import arcpy #define where clause to format for correct database type def buildWhereClause(table, field, value): """Constructs a SQL WHERE clause to select rows having the specified value within a given field and table. List all of the feature classes in the dataset arcpy. SelectLayerByLocation_management(polylayer,"CONTAINS",wellFL) #counts the number of features in a layer named plyswithwells_lyr and stores them in a variable named result result = arcpy. """ def __init__(self): """Setup arcpy and the list of tool parameters. SearchCursor (r'C:\Data\TestData. Jul 8, 2015 · It's straight from ESRI's help document: How to identify duplicate or unique values in ArcGIS Pro. workspace = "C:/data/mygeodatabase. type Jan 31, 2018 · field = "DirValues". Any number of input fields can be mapped to the output field, not only two, as implied in the example. This is the default. workspace = r"C:\temp\python\test. Field with the States name in the Feature Class e. address_ref_layer1)] The specified field type to be returned. 9691 result: 1. getValue (field_name) == 5. Iterate through the unique list, for each value: Select the points features by attribute based on name in the unique list. One of the foremost tasks in a batch processing script is cataloging the available data so it can iterate through the data during processing. import os. params[1 There is a tool in ArcGIS called "Frequency" (arcpy. The for loop iterates through the feature class and returns the value of the rows in a formatted string as show below. by RyanHowell1. 00000 -->Numpy Array avg time: 0. The output table reporting identical records. gdb" fields = ["OBJECTID", "Name", "Address"] for dirpath, dirnames, filenames in arcpy. Additionally, values may fail to be returned if the file is not in the Table Of Contents in ArcMap and an incomplete file path Use a set:. The returned list can be limited with search criteria for name and field type and will contain field objects. workspace = "C:/Phases". sqMiles = row. list = [] rows = arcpy. Jul 31, 2018 · import arcpy #input feature class fc2 = r"C:\temp\temp. just do: with arcpy. Field. Walk(env. The FieldMap object provides a field definition and a list of input fields from a set of tables or feature classes that provide its values. I have done the script below which identifies unique values and lists them. Field (s) The field or fields whose values will be compared to find identical records. format(field. Also, since it's in ArcMap, the code above honors the user's selected rows or features and therefore returns the maximum number of the field within the selection. Jan 11, 2019 · In geodatabases (personal, file or enterprise) Null values can be stored (test with cond == None as @DanC said) but your implementation of ScoreCondition = "Cond_Score(!"+Condition+"!)" doesn't look quite right, can you show your line where you call Cond_Score in CalculateField_management, it's possible you may be parsing your numbers as strings. SearchCursor(fc, "field to be totaled") as cursor: for row in cursor: summed_total = summed_total + row[0] Something like this would work. dbf' field_names = ['cropsum', 'cropsum2'] all_values = [] with arcpy. Select one to many relationship. Here's the script I'm working on: Jul 16, 2012 · There are two ways of getting each unique value, assuming that is where you're having difficulty, one is to start with an empty list then cursor through the features adding the values to the list if not value in list: using list. The code below creates the field RANK and then adds 11 additional rows, below the existing 11 rows in the attribute table and inserts the values to RANK beginning notfrom the start but from the 11 additional rows. You can then copy and paste the list We would like to show you a description here but the site won’t allow us. OID —Only field types of OID are returned. GlobalIDOnly field types of GlobalID are Try setting the tool validator class code to this: import arcpy class ToolValidator(object): """Class for validating a tool's parameter values and controlling the behavior of the tool's dialog. 0, there are a few ways to go about it, but here's a basic, beginner's approach: # Create a cursor on a feature class. I'm able to populate a drop-down of the fields and now need to have the user select a value from the field. Sep 16, 2019 · 09-16-2019 01:50 PM. """ if self. Valid field types are: All All field types are returned. The FEAT_SEQ field in the output table will have the same value for identical records. ListFields(crop_table_all,"VALUE_*","")] print Jun 8, 2017 · In 10. Jun 3, 2015 · Use a cursor to add to a list. import arcpy ''' This script will count the number of occurences of a value in a field ("field_in") and write them to a new field ("field_out") ''' arcpy. Aug 14, 2015 · The below worked for me and returned a list of field names with data type and data length: import arcpy # For each field in the Hospitals feature class, print # the field name, type, and length. I am using this code: Nov 20, 2014 · If you want to add the list to table "Wojewodzta" the code would look something like. I am trying to iterate through a field (integer values 1, 2, 3), select by each unique attribute, and run a tool on that selection of points. 1027 result: 1. '''. join(list([f. workspace = r"C:\pathto\DuplicateTesting. extend(list(row)) unique_values = set(all_values) print unique_values 4. SearchCursor("TESTFC") print row. For Example: the values may be [1,2,2,2,3,4], and I am trying to retur The returned str can be limited with search criteria for name and field type and will contain field objects. ' May 22, 2012 · I want to grab the maximum "distance" from each unique number in the field "group". Jun 12, 2015 · This is a perfect use for list comprehension (two times!): lst_fcfields = [f. overwriteOutput = True. ValueTable(2) # Iterate through the list of feature classes for fc in feature_classes: # Update the value table with The specified field type to be returned. getValue("the field you want the value of") arcpy. fc = "Cities". altered: #Set condition - if the input field value changes if self. Date Only field types of Date are returned. print "Satrted". Dec 7, 2018 · The code below is adopted from your original code and adds 4 new fields to each feature class and populates the fields as you described. for row in SC: # if you want all values in the field. Don't join at all and use a search cursor/ update cursor combination to lookup the values in the would-be joined-table on the join field. My list is: NearValues = [1, 2, 3]‍. The define function : def uniqueList(L): '''Find the set of unique entries in a list. gdb" fc = 'PLOTS_Test' field = 'LinkKey' #def unique values in LinKey method Feb 14, 2017 · Calculate field values using arcpy. name. env. import arcpy fldName = 'val_fld' fcName = 'feature_class. Include the merge rule and concatenator once, and include the dataset path, field name, and start position and end position for each input field. ListFields (dataset, {wild_card}, {field_type}) Aug 26, 2016 · I have a number of columns in a number of tables withinh a FGDB where I need to extract the unique values for each column. I want to iterate through a list of values, select the list values from a feature class, select from another feature class that intersects the first selection, and then calculate a field in the second selection based of the list index value. gdb\fc3" #check field checkField = "SRNumber" #Get list of values in field from target feature class checkValues = [r[0] for r in arcpy. I am trying to create and update a field with a count of line features (tLayer) within a distance of point features (sLayer). Also, in your question, it would be better if you could format the code by adding four spaces to the beginning of each line with code in it. The precision for field values. fields = [x. UpdateCursor(dataset, i) as cursor: for row in cursor: This method is called whenever a parmater has been changed. AddField_management("Parcelles_class_FeatureToPoi3","new_field","DOUBLE") cur = arcpy. Code by code is not a problem, but combining two codes is. Here is an example: import arcpy from arcpy import env env. Short (16-bit integer) — The field type will be short. AddFieldDelimiters(fc, name_field) expression = f'{delimited_field} = 2' # Create a search cursor using an SQL expression with arcpy. append the other is to use summary statistics (count the OIDs) and case field of value then open that table and cursor though it (you can delete the temp table as soon Mar 19, 2018 · # Import arcpy module #Identify unique linkkeys, select and save them for input into bulk distance network analyst model import arcpy # Set environmental variables arcpy. Lastly, select the join operator import arcpy fc = 'c:/base/data. SearchCursor, SelectLayerByLocation_management, arcpy. Jun 26, 2018 · I'm working on a script that will use a predefined list of strings to calculate the value of a new field. getValue('Area_Miles') Sep 16, 2015 · Use the index grid as the target feature and the leases as the join feature. fields: #iterate through fields in the input dataset if field. with arcpy. TableToNumPyArray(table, fields, skip_nulls= True) A Python function or lambda expression can be used to allow finer control, including logging the OID values of all records that include a null value. Single —Only field types of Single are returned. Replace what's in quotes with your field name, or with a list of fields you're going to be working with. Reasons for doing this might include pasting the values into a text document or SQL where clause. value1 = 'a value from table 1 column 1'. SearchCursor(tbl2, (fld2))] Jul 1, 2019 · I want to create a Python/ArcPy script that will accomplish the following: Create a unique list from the values in the populated field in the points shapefile. My ArcGIS toolbox is setup with 2 parameters. Fields can also be mapped using Python scripts. Geometry Only field types of Geometry are returned. crop_table_all = r'E:\FATHOM\2020FATHOM\Analysis\MR_cropscape_2016_FPstats_02062021. ListFields(dataset, filter, fields_type)])) May 15, 2013 · To list all the fields from your input featureclass, use arcpy. Nov 27, 2017 · This is for comparing two lists, but you cam also check a single value in a list of values: import arcpy. I am using ArcGIS Pro for this. May 19, 2017 · I don't follow what you're trying to do here. tbl2 = r'your path to table 2'. SearchCursor(fc) for row in rows: May 30, 2022 · The first rule of ArcPy cursors is "Don't use arcpy. If a join field has the same name as a field from the input table, the joined field will be appended with _1 (or _2, or _3, and so on) to make it unique. 1184 result: 1. Output Dataset. 1 - ListFields (arcpy) ListFields (arcpy) Summary. for row in cur: # The variable sqMiles will get the value from the column. Then iterate through the rows in fc2. 00000 Cursor, list avg time: 0. This can be output to an in memory output in a script if you just want to read the values for naming files. lower() == self. Listfields. Enter the output Feature Class. gdb\DuplicateTesting" #name of feature class goes here. Here is a slightly modified version of the function in this answer, to accept a Python list instead of a semicolon-delimited string:. import arcpy # Set the workspace. name for field in fieldList] It can be shortened even further, since you may not need to store fieldList at all: self. gdb". name for f in arcpy. SearchCursor" (Use arcpy. name) but that failed too! I am not even sure there is a tool to do this. env. domain != "": #Print feature class, field, domain name. Aug 21, 2021 · I want to use SelectLayerByAttribute for multiple fields where it will iterate select layer by attribute function by looping through different street_names values for multiple fields each time and will provide me the required features. workspace): for filename in filenames: for field in try removing the " " around "field". ListFields(fc)] Use a Search Cursor to populate a dictionary with unique values (set()). Following an example on this page Jan 11, 2019 · In geodatabases (personal, file or enterprise) Null values can be stored (test with cond == None as @DanC said) but your implementation of ScoreCondition = "Cond_Score(!"+Condition+"!)" doesn't look quite right, can you show your line where you call Cond_Score in CalculateField_management, it's possible you may be parsing your numbers as strings. getValue(fldName) for row in arcpy. So, basically I want to list all data frames, layers, all layers with their projection and get field info on those layers (field name, field type). SearchCursor(shapefile, None, None, None, "FID A") row = None for row in cursor: pass #row is now set as the last value returned by the iterator row. array = arcpy. # List all feature classes in the geodatabase. Syntax. field_names = [] fields = arcpy. . Double Only field types of Double are returned. Sep 15, 2020 · Use a list comprehension to get a list of all the fields in the featureclass. """ Oct 8, 2021 · 1. If it works, you can add the final part to merge/append everything together. I am new to python scritping for geoprocessing tasks so I am not looking for a really complex method just a simple and straightforward way to do this. # create a list of the values in table 2, column 2. Oct 11, 2011 · Here is an example on how to do this. Integer: required ArcGIS Help 10. We would like to show you a description here but the site won’t allow us. The above code should work in ArcGIS 10 and it will print a list right in the python interpreter window. name for field in arcpy. SearchCursor(fc, field)) for field in fields} The resulting dictionary has the following structure: Mar 2, 2017 · Fortunately, they are of the same size. A list containing domain objects. ListFields. field_name = [field. 3. workspace = "c:/data/landbase. name, field. Feb 14, 2019 · cursor = arcpy. Enclose any values with spaces, such as the field alias or concatenator, in quotation marks. 1 does not seem to have a way to do this (like right-click the field > Copy), I would like to see if I could write an ArcPy script to do this for me. The next thing, I want it to iterate through the filed LinkKey as it selects similar LinkKeys and saves them in a work space. print FC, field. ListFields(FC) #Loop through fields. from arcpy import env. GetCount_management(plyswithwells_lyr) #print ("polygons containing wells " + (str(result))) #loop through all of the polygons that Use a Python list comprehension. As @PolyGeo mentioned, a search cursor proceeded by an insert cursor will do the trick here. Raster —Only field types of Raster are returned. Only use the ListSubtypes function when there is a subtype field set on the table or feature class. dtype([('myValue',numpy Apr 27, 2021 · In my data I have one field (L1_SOILTYP) and a new field I created (SoilClass). Your code goes out of its way to make a list then a set the a list again, and calls that (eventually) title, so it shouldn't be a surprise that all the values Jul 29, 2022 · I am using an ArcPy Search Cursor to return the rows of a specified field within a shapefile. Check the values in your check field against your list. Use table field list to calculate percentages (hopefully). I am attempting to use a combination of AddField_management, arcpy. AddField_management(fc, field, "TEXT Nov 22, 2019 · I can do it one by one (first list layers in one code, and then list fields in second code), but I am trying to do in one code. If there is no subtype field set in the input, a dictionary will be returned with a single subtype key of 0 (in addition, the Default key value will be True, the Name key value will be the name of the feature class or table, and the SubtypeField key value will be an empty string). Select_analysis(fc,'Your Output','{} like \'*Danger*\''. New Contributor III. if row. Your code appears to be reading values from a table, then creating new rows in the same table and populating a different field with values from your search cursor into those new records, and then you're looping through everything with your update cursor into the same table again populating yet another field with values. I'm trying to use the python toolbox tool template (portion shown below). gdb\Roads') field_name = 'Object ID'. insertRow([currDen]) If you are trying to update the table your code does not really keep track of which row to update, but something like Mar 16, 2018 · I'm fairly new to python, so I'm having a little trouble with this. # named 'Area_Miles'. rows = arcpy. SearchCursor returns an iterator, and to get the last item you need to iterate through all the items and keep a reference to the Returns a list of the feature classes in the current workspace, limited by name, feature type, and optional feature dataset. There is no need to do any kind of formatting to the values. UpdateCursor(myFeatureClass) # Loop through the rows in the attribute table. gdb/roads' class_field = 'Road Class' name_field = 'Name' # Create an expression with proper delimiters delimited_field = arcpy. fields = arcpy. d = {field: set(x[0] for x in arcpy. Code: Oct 21, 2016 · Use Add Field Delimiters to take away some guessing with the " or ' signs: Adds field delimiters to a field name to allow for use in SQL expressions. SearchCursor(in_table,field_names) as cursor: for row in cursor: all_values. For a single field, you can use a string instead of a list of strings. UpdateCursor. params[1]. Mar 29, 2023 · How to list all feature classes in a File Geodatabase and all features within the feature classes. For example 'Clay' and 'CLAY' should be assigned '1'. Maybe in other words: User opens tool; User chooses a file geodatabase as the first parameter; User will then choose a SITE from the list May 15, 2018 · The values in the list_of_fields are already strings, the UpdateCursor accepts either a list of fields or a string with the name of the field. This will be used later on to define the fields for the search cursor; on line 11 and 12, the actual list of fields created (all the FLABEL values and the RegID_6k99 field and the FLABEL field) on line 15 a list of fields is created (all fields in the featureclass) Jul 25, 2012 · SC = arcpy. Discussion. print row. A drop-down of the 50 states where the user can select one of the states. – Jan 4, 2016 · 2. arcpy. For an example of field mappings, see the Merge tool; it facilitates this mapping of relationships so data is placed in the desired output fields with the correct values. Integer —Only field types of Integer are returned. params[0]. First nab all the values from fc3 with a little python list comprehension and search cursor. for row in rows: if row. The first parameter is a multivalue featureclass. xp pu gv le wn ts kx dn ej ey